<template>
  <div class="login-container">
    <el-container>
      <el-main>
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
          <div class="title-container">
            <h3 class="title">云基建</h3>
          </div>

          <el-form-item prop="username">
            <span class="svg-container">
              <svg-icon icon-class="user" />
            </span>
            <el-input
              ref="username"
              v-model="loginForm.username"
              placeholder="用户名"
              name="username"
              type="text"
              tabindex="1"
              auto-complete="on"
            />
          </el-form-item>

          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="密码"
              name="password"
              tabindex="2"
              auto-complete="on"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
            </span>
          </el-form-item>

          <el-row>
            <el-col :span="10">
              <el-button type="success" style="width:100%;margin-bottom:30px;" @click="gotoRegister">注册</el-button>
            </el-col>
            <el-col :span="4">
             <p></p>
            </el-col>
            <el-col :span="10">
              <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>
            </el-col>
          </el-row>

          <div class="tips">
            <span style="margin-right:20px;color:green;">
            <el-link type="success" @click="gotoPrice">账号到期，请点击我进行续费....</el-link>
            </span>
          </div>
      </el-form>
      <el-dialog
        :visible.sync="dialogVisible"
        width="25%" top="5vh">
        <div class="demo-image">
          <div class="block">
            <font style="font-weight:bold;font-size:16px;color:red;">请在付款备注中输入成功注册的手机号</font><br>
            <font style="font-weight:bold;font-size:16px;color:red;margin-top:10px">若忘记输入或输入错误会造成续费失败！！！</font>
            <br><br>
            <el-image
              :src="url"
              fit="scale-down"></el-image>
          </div>
        </div>
      </el-dialog>
    </el-main>

      <el-footer height="200px">
        <div class="copyright">
          <p class="hidden-xs">Copyright © 2017 - 2018 www.alinkeji.com | 渝ICP备17004449号</p>
        </div>
      </el-footer>
    </el-container>
  </div>
</template>

<script>
import { validUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能小于6位数'))
      } else {
        callback()
      }
    }
    return {
      dialogVisible: false,
      url: 'http://www.alinkeji.com/pay.jpg',
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      loading: false,
      passwordType: 'password',
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  mounted: function () {
    this.loginForm.username = '18883754124';
    this.loginForm.password = '123456';
    this.handleLogin();
  },
  methods: {
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' })
            this.loading = false
            location.reload()
          }).catch(() => {
            this.loading = false
          })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    // <!--进入注册页-->
    gotoRegister() {
      this.$router.push({
        path: "/register"
      });
    },
    // <!--进入注册页-->
    gotoPrice() {
      this.$router.push({
        path: "/price"
      });
    },
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 16px;
    color: green;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .copyright {
    min-height: 100%;
    font-size: 16px;
    color: #409EFF;
    margin-top: 150px;
    margin-bottom: 10px;
    text-align:center;
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>
